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Groups > linux.kernel > #1271265

.gnu.hash into text PHDR?

From Jiri Slaby <jslaby@suse.cz>
Newsgroups linux.kernel
Subject .gnu.hash into text PHDR?
Date 2015-11-17 15:20 +0100
Message-ID <qvPh1-67E-15@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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Hi,

after
commit 6b7e26547fad7ace3dcb27a5babd2317fb9d1e12
Author: Andy Lutomirski <luto@amacapital.net>
Date:   Thu Aug 6 14:45:45 2015 -0700

    x86/vdso: Emit a GNU hash

I believe .gnu.hash in arch/x86/entry/vdso/vdso-layout.lds.S should have
":text", right?

Not that it would matter (it is put there automagically), but I noted it
while hunting a new failure inside KVM (host is 4.2 for some time, guest
was upgraded to 4.3 recently). KVM dies when javac invokes gtod:
KVM internal error. Suberror: 1
emulation failure
...
[javac] # C  [linux-vdso.so.1+0xe45]  __vdso_gettimeofday+0x125

which is "movl hpet_page+240(%rip), %eax". Any ideas?

More details at:
https://bugzilla.novell.com/show_bug.cgi?id=954218

thanks,
-- 
js
suse labs
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.gnu.hash into text PHDR? Jiri Slaby <jslaby@suse.cz> - 2015-11-17 15:20 +0100
  Re: .gnu.hash into text PHDR? Andy Lutomirski <luto@amacapital.net> - 2015-11-18 17:20 +0100

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